Remote mail delivery reporting system triggered by predetermined

Details Remote mail delivery reporting system triggered by predetermined Remote mail delivery reporting system triggered by predetermined

1991-01-04

1991-07-30

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340551, 340572, G08B 2100

Patent

active

050363107

ABSTRACT:
The delivery of special, preselected mail to a mailbox is detected and announced by including a piece of magnetic material or a metal object with the envelope. A magnetic detector or metal detector, within the mailbox, senses the presence of the magnetic material or metal object and actuates a radio transmitter, at the mailbox, which sends a signal to a radio receiver. Upon receiving the radio signal, the radio receiver activates a telephone answering device, or an automated building control or surveillance center having remote interrogation access or capable of sending an announcement so that a person at a distant telephone can be advised of the mail delivery. Electric wiring may be utilized in lieu of radio transmission.

REFERENCES:
patent: 4446454 (1984-05-01), Pyle
patent: 4647917 (1987-03-01), Anderson, III et al.
patent: 4868543 (1989-09-01), Binkley
patent: 4940966 (1990-07-01), Pettigrew et al.

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